CN115464461A

CN115464461A - Cutting tool protector

Info

Publication number: CN115464461A
Application number: CN202211108643.9A
Authority: CN
Inventors: 冯以彬
Original assignee: Suzhou Leixinuo Precision Tools Co ltd
Current assignee: Suzhou Leixinuo Precision Tools Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-13

Abstract

The invention relates to the technical field of cutter protection, and discloses a cutting cutter protection device which comprises a motor, wherein a fixed frame is fixedly connected to the outer surface of the motor, a protective shell is fixedly connected to one side of the fixed frame, a sealing plate is fixedly connected to one side of the protective shell, a sliding plate is fixedly connected to the bottom end of the protective shell, a loop bar is fixedly connected to the upper end of the sliding plate, a protective box is slidably connected to the outer surface of the sliding plate, a rotating wheel is rotatably connected to the inner portion of the bottom end of the protective box, a sliding rod is fixedly connected to the inner bottom end of the protective box, an electric conductor and a first spring are fixedly connected to the top end of the sliding rod, and the rotating wheel arranged at the bottom of the protective box plays a role that the protective box can conveniently move on a metal plate when the protective box is placed on the metal plate to be cut, and air inlets and dust outlet pipes arranged at two sides of the protective box play a role of taking cutting scraps in the protective box away.

Description

Cutting tool protector

Technical Field

The invention relates to the technical field of cutter protection, in particular to a cutting cutter protection device.

Background

In the process of processing the metal plates, most of the plates need to be cut, and a cutting machine is needed in the cutting process. The cutting tools are all harder than the material being cut and the tools must be able to withstand the heat and forces generated during the metal cutting process. In addition, when cutting work materials of different shapes, different types of cutters are used, and when planar cutting is performed on a metal plate, a circular blade is required for cutting.

In the existing metal plate cutting process, a cover is generally sleeved on a blade for protecting the metal plate, then a locking mechanism for a switch is added at the switch for protecting, the switch can be opened only after the locking mechanism is opened, and then a machine works, so that the effect of protecting the cutter is achieved. Among the current safeguard measure, only use the switch to carry out the operation to the machine and play the guard action, and at the in-process of operation, do not protect the cutter to make the machine touch the cutter at the in-process staff carelessly of operation, thereby cause unnecessary personnel to be injured.

The protective cover is additionally arranged at the bottom of the cutter, then the protective cover pushes the conductor to be mutually contacted with the connector, so that the rotation of the motor is controlled, the motor can be electrified after the protection and the contact with the metal plate, and then the motor rotates to cut the plate.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a cutting tool protection device which has the advantage of automatic protection and power failure.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cutting tool protector, includes the motor, the outer fixed surface of motor is connected with the mount, and the mount has played the effect of fixing the motor, one side fixedly connected with protecting crust of mount, protecting crust have played protection cutter and dirt-proof effect, one side fixedly connected with closing plate of protecting crust, closing plate have the detachable effect through the bolt fastening, the bottom fixedly connected with sliding plate of protecting crust, the upper end fixedly connected with loop bar of sliding plate, the outer surface sliding connection of sliding plate has the protecting box, the bottom internal rotation of protecting box is connected with the rotating wheel, and the rotating wheel that sets up in the protecting box bottom is for making the protecting box more be convenient for remove on the metal sheet surface, the inside bottom fixedly connected with slide bar of protecting box, the top fixedly connected with electric conductor and the spring of slide bar one, the inside sliding connection in top of loop bar has gag lever post and conducting rod, the bottom fixedly connected with connector of gag lever post, conducting rod fixed connection is at the upper surface of connector, the surface of gag lever post has cup jointed spring two, and the internal diameter and the outer diameter size adaptation of gag lever post of spring two.

Preferably, the inside of motor is rotated and is connected with the axis of rotation, the outer fixed surface of axis of rotation is connected with solid fixed ring, and gu fixed ring plays the spacing effect to the rotating cutter, gu fixed ring's one side fixedly connected with spacing axle, the outer fixed surface of axis of rotation is connected with the rotating cutter, the surface sliding connection of spacing axle has the spacing ring, spacing axle is pegged graft in the inside of rotating cutter and spacing ring, the inside threaded connection of axis of rotation has fixing bolt, and fixing bolt screws up and can compress tightly the rotating cutter in the inside of solid fixed ring and spacing ring.

Preferably, after one side fixedly connected with air inlet of protection box, the air inlet was after the dust pipe siphoned away the inside air of protection box and the metal piece when cutting, the air inlet was given inside the suction protection box with outside air, the opposite side fixedly connected with of protection box goes out the dust pipe, the last fixed surface of protection box is connected with the stopper, and the stopper passes through the bolt fastening at the upper surface of protection box, the fixed lantern ring of one side fixedly connected with of mount, go out dust pipe swing joint in the inside of the fixed lantern ring, the bottom fixedly connected with mounting bracket of mount, the inside fixedly connected with dust screen of air inlet, dust screen carry out the filterable effect with the dust in the air when the air inlet toward the inside extraction air of protection box to the other end of dust pipe 5 is equipped with the dust catcher.

Preferably, a first notch is formed in the sliding plate, a second notch is formed in the lower end of the protection box, the rotating cutter is rotatably connected to the first notch and the second notch, the limiting ring is arranged on one side of the rotating cutter, and the inner diameters of the first notch and the second notch are larger than the diameter of the cutting cutter.

Preferably, the sliding plate is slidably connected to the outer side of the sliding rod, the sliding rod is slidably connected to the inner portion of the sleeve rod, when the sliding plate is pressed downwards, the sliding plate drives the sleeve rod to move downwards, the outer diameter of the sliding rod is matched with the inner diameter of the sleeve rod in size, and the first spring is fixed to the top end of the inner portion of the sleeve rod.

Preferably, the protective shell is fixedly connected to one side of the fixing frame through a bolt, the closing plate is fixedly connected to one side of the protective shell through a bolt, and the bolt is used for fixing the protective shell and the closing plate conveniently.

Preferably, the four loop bars are respectively arranged at the top corners of the sliding plate, and the four loop bars are arranged to enable the sliding plate to be more stable when the sliding plate is pressed.

Has the advantages that:

1. the cutting tool protecting device comprises a protecting box arranged on the outer surface of the bottom end of a cutting device, when the cutting device is not placed on a metal plate, the protecting box can slide to the bottom end of a cutting tool, a limiting block is fixedly connected to the protecting box, when the protecting box moves downwards, the limiting block can clamp the protecting box on the top end of a sliding plate, a conductor can be separated from a connector, when a motor power supply is started, the conductor is separated from the connector, so that a motor cannot rotate when the protection box is placed on the metal plate, when the protecting box is placed on the metal plate, the cutting device continues to move downwards, the sliding plate is pressed downwards, the sliding plate can move downwards when the sliding plate moves downwards, a spring contracts, the sleeve rod drives the limiting rod and the connector to move downwards, until the connector contacts with the conductor, a closed circuit is formed, the motor and a dust collector are started, when the sleeve rod continues to move downwards after the conductor contacts with the connector, the sliding rod can continue to push the conductor and move upwards, so that a cutting blade is cut deeper, when the cutting device pushes the spring II to push the limiting rod and the connector to restore to the original state, and the protective box can continue to lift the connector, and thus the protective box can continue to be in an off state.

2. This cutting tool protector, through the rotation wheel that protection box bottom set up, when the protection box placed the metal sheet on cut, the rotation wheel of bottom has played the effect that the protection box was convenient for remove on the metal sheet, and sets up the air inlet and the play dirt pipe in protection box both sides and has played the effect of taking away the inside cutting piece of protection box.

3. This cutting tool protector, through the protection box that the device bottom set up, has a large amount of metal disintegrating slag to fly everywhere when cutting to the effect in staff's eyes has been prevented to the piece.

Drawings

FIG. 1 is a schematic view of the overall structure of a cutting tool guard according to the present invention;

FIG. 2 is a side sectional view of a cutting tool guard according to the present invention;

FIG. 3 is a schematic diagram of a power-off protection structure of a cutting tool protection device according to the present invention;

FIG. 4 is an enlarged view of a cutting tool guard A according to the present invention;

FIG. 5 is a schematic view of an internal cutter structure of a cutting tool guard according to the present invention;

FIG. 6 is a rear view of the cutting tool guard of the present invention;

FIG. 7 is a schematic cross-sectional view of a front view of a cutting tool guard according to the present invention.

In the figure: 1. a motor; 2. a fixed mount; 3. a fixed collar; 4. a mounting frame; 5. a dust outlet pipe; 6. a protective shell; 7. a closing plate; 8. a sliding plate; 9. a loop bar; 10. a protective box; 11. a rotating wheel; 12. an air inlet; 13. a limiting block; 14. a rotating shaft; 15. a fixing ring; 16. rotating the cutter; 17. a limiting ring; 18. fixing the bolt; 19. a slide bar; 20. an electrical conductor; 21. a first spring; 22. a connector; 23. a second spring; 24. a limiting rod; 25. a conductive rod; 26. a first notch; 27. a second notch; 28. a dust screen; 29. and a limiting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a cutting tool protection device includes a motor 1, a fixing frame 2 is fixedly connected to an outer surface of the motor 1, the fixing frame 2 fixes the motor 1, a protection shell 6 is fixedly connected to one side of the fixing frame 2, the protection shell 6 protects a cutting tool and prevents dust, a sealing plate 7 is fixedly connected to one side of the protection shell 6, the sealing plate 7 is fixed by bolts and has a detachable effect, a sliding plate 8 is fixedly connected to a bottom end of the protection shell 6, an upper end of the sliding plate 8 is fixedly connected with a loop bar 9, an outer surface of the sliding plate 8 is slidably connected with a protection box 10, a bottom end of the protection box 10 is rotatably connected with a rotating wheel 11, the rotating wheel 11 arranged at the bottom of the protection box 10 is used for enabling the protection box 10 to be more convenient to move on a metal plate surface, a sliding rod 19 is fixedly connected to an inner bottom end of the protection box 10, a top end of the sliding rod 19 is fixedly connected with an electric conductor 20 and a first spring 21, a top end of the loop bar 9 is slidably connected with a limiting rod 24 and a conductive rod 25, a bottom end of the limiting rod 24 is fixedly connected to a bottom end of the limiting rod 24, an upper surface of the conductive rod 25 is fixedly connected to an upper surface of the limiting rod 22, an outer surface of the limiting rod 24 is sleeved with an inner diameter of a second spring connector 23, and an inner diameter of the spring connector 23 which is matched with an inner diameter of the second spring connector 24.

The working principle is as follows:

when a cutting device is used for cutting a metal plate, firstly, the metal plate is placed on a processing table, then the cutting device is fixed on a machine, when the protective box 10 is in a floating state before cutting, the connector 22 and the conductor 20 are in a separated state, so that after the switch is opened, the connector 22 is not connected with the conductor 20, and the motor 1 which is not connected with a circuit and does not rotate due to the opening and closing of the switch; when the protective box 10 is placed on a metal plate, the motor 1 continues to drive the cutting tool to move downwards, so that the sliding rod 19 pushes the first spring 21 to contract, then the connector 22 and the conductor 20 are connected with each other, when the metal plate is cut, the rotating wheel 11 arranged at the bottom end of the protective box 10 plays a role in facilitating the protective box 10 to move on the metal plate, when the cutting blade continues to move downwards, the sliding rod 19 pushes the connector 22 and the limiting rod 24 to move upwards, then the second spring 23 contracts due to the upward movement of the limiting rod 24 and the connector 22, when the connector 22 and the conductor 20 are in contact with each other, a circuit forms a closed circuit, so when the sliding plate 8 slides, the motor 1 rotates due to the opening and the opening of the switch, and a power-off protection effect is achieved.

After the cutting is accomplished, motor 1 drives the cutting machine rebound to make protection box 10 can the downstream, then be in the superficial empty state, after protection box 10 moved to lowest end stopper 13 and blocked protection box 10, connector 22 and electric conductor 20 are in the detached state, thereby cut off the power supply and protect, can not make motor 1 start after making the staff touch the switch carelessly, thereby reach the effect that protection motor 1 mistake touched the start.

Example two

Referring to fig. 5, further, on the basis of the first embodiment, a rotating shaft 14 is rotatably connected inside the motor 1, a fixing ring 15 is fixedly connected to an outer surface of the rotating shaft 14, the fixing ring 15 plays a role of limiting the rotating tool 16, a limiting shaft 29 is fixedly connected to one side of the fixing ring 15, the rotating tool 16 is fixedly connected to an outer surface of the rotating shaft 14, a limiting ring 17 is slidably connected to an outer surface of the limiting shaft 29, the limiting shaft 29 is inserted into the rotating tool 16 and the limiting ring 17, a fixing bolt 18 is connected to an internal thread of the rotating shaft 14, and the rotating tool 16 can be tightly pressed inside the fixing ring 15 and the limiting ring 17 by tightening the fixing bolt 18.

The working principle is as follows:

when the cutter needs to be replaced, the bolt for fixing the closing plate 7 is screwed off, then the closing plate 7 is disassembled, the cutter can be conveniently disassembled, and after the closing plate 7 is disassembled, the fixing bolt 18 which is in threaded connection with the inside of the rotating shaft 14 is disassembled, so that the limiting ring 17 and the cutter can be disassembled and replaced, and the effect of convenient replacement is achieved.

EXAMPLE III

Referring to fig. 6-7, further, on the basis of the second embodiment, an air inlet 12 is fixedly connected to one side of the protection box 10, after the air in the protection box 10 and metal debris generated during cutting are sucked away by the air inlet 12 through the dust outlet pipe 5, the air in the protection box 10 is sucked into the air inlet 12, the dust outlet pipe 5 is fixedly connected to the other side of the protection box 10, a limiting block 13 is fixedly connected to the upper surface of the protection box 10, the limiting block 13 is fixed to the upper surface of the protection box 10 through a bolt, a fixing collar 3 is fixedly connected to one side of the fixing frame 2, the dust outlet pipe 5 is movably connected to the inside of the fixing collar 3, a mounting frame 4 is fixedly connected to the bottom of the fixing frame 2, a dust screen 28 is fixedly connected to the inside of the air inlet 12, and the dust screen 28 filters dust in the air when the air inlet 12 sucks the air into the protection box 10.

Wherein, first notch 26 has been seted up to the inside of sliding plate 8, and second notch 27 has been seted up to the lower extreme inside of protection box 10, and rotates cutter 16 and rotate the inside of connecting at first notch 26 and second notch 27, and spacing ring 17 sets up in the one side of rotating cutter 16, and the internal diameter of first notch 26 and second notch 27 is greater than cutting tool's diameter.

The sliding plate 8 is connected to the outer side of the sliding rod 19 in a sliding mode, the sliding rod 19 is connected to the inner portion of the sleeve rod 9 in a sliding mode, when the sliding plate 8 is pressed downwards, the sliding plate 8 drives the sleeve rod 9 to move downwards, the outer diameter of the sliding rod 19 is matched with the inner diameter of the sleeve rod 9 in size, and the first spring 21 is fixed to the top end of the inner portion of the sleeve rod 9.

Wherein, protective housing 6 passes through bolt fixed connection in one side of mount 2, and closing plate 7 passes through bolt fixed connection in one side of protective housing 6, uses the effect of bolt fastening in order to be more convenient for dismantle protective housing 6 and closing plate 7.

The four loop bars 9 are respectively arranged at the top corners of the sliding plate 8, and the four loop bars 9 are arranged to enable the sliding plate 8 to be more stable when the sliding plate 8 is pressed.

The working principle is as follows:

when the motor 1 starts to work, the dust collector fixedly connected with the other end of the dust outlet pipe 5 is started simultaneously with the motor 1, the dust outlet pipe 5 can extract the broken slag falling during cutting from the inside of the dust outlet pipe 5, then the air is blown into the protective box 10 from the air inlet 12, and then the dust in the air is filtered and the cutting debris are filtered through the dust screen 28.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cutting tool guard comprising a motor (1), characterized in that: the utility model discloses a safety protection device for a motor, including motor (1), one side fixedly connected with protecting crust (6) of mount (2), one side fixedly connected with closing plate (7) of protecting crust (6), the bottom fixedly connected with sliding plate (8) of protecting crust (6), the upper end fixedly connected with loop bar (9) of sliding plate (8), the surface sliding connection of sliding plate (8) has protecting box (10), the inside rotation in bottom of protecting box (10) is connected with runner (11), the inside bottom fixedly connected with slide bar (19) of protecting box (10), the top fixedly connected with electric conductor (20) and the first spring (21) of slide bar (19), the inside sliding connection in top of loop bar (9) has gag lever post (24) and conducting rod (25), the bottom fixedly connected with connector (22) of gag lever post (24), conducting rod (25) fixed connection is at the upper surface of connector (22), the surface of gag lever post (24) has two springs (23) cup jointed, and the internal diameter and gag lever post (24) external diameter size adaptation of the second spring (23).

2. A cutting tool guard according to claim 1, wherein: the inside of motor (1) rotates and is connected with axis of rotation (14), the outer fixed surface of axis of rotation (14) is connected with solid fixed ring (15), the spacing axle of one side fixedly connected with (29) of solid fixed ring (15), the outer fixed surface of axis of rotation (14) is connected with rotates cutter (16), the surface sliding connection of spacing axle (29) has spacing ring (17), peg graft in the inside of rotating cutter (16) and spacing ring (17) spacing axle (29), the inside threaded connection of axis of rotation (14) has fixing bolt (18).

3. A cutting tool guard according to claim 1, wherein: one side fixedly connected with air inlet (12) of protection box (10), the opposite side fixedly connected with of protection box (10) goes out dirt pipe (5), the last fixed surface of protection box (10) is connected with stopper (13), and stopper (13) pass through the bolt fastening at the upper surface of protection box (10), one side fixedly connected with fixed lantern ring (3) of mount (2), go out the inside of dirt pipe (5) swing joint in fixed lantern ring (3), the bottom fixedly connected with mounting bracket (4) of mount (2), the inside fixedly connected with dust screen (28) of air inlet (12).

4. A cutting tool guard according to claim 1, wherein: a first notch (26) is formed in the sliding plate (8), a second notch (27) is formed in the lower end of the protection box (10), the rotating cutter (16) is rotatably connected to the first notch (26) and the second notch (27), and the limiting ring (17) is arranged on one side of the rotating cutter (16).

5. A cutting tool guard according to claim 2, wherein: the sliding plate (8) is connected to the outer side of the sliding rod (19) in a sliding mode, the sliding rod (19) is connected to the inner portion of the sleeve rod (9) in a sliding mode, the outer diameter of the sliding rod (19) is matched with the inner diameter of the sleeve rod (9) in size, and the first spring (21) is fixed to the top end of the inner portion of the sleeve rod (9).

6. A cutting tool guard according to claim 1, wherein: the protective shell (6) is fixedly connected to one side of the fixing frame (2) through bolts, and the closing plate (7) is fixedly connected to one side of the protective shell (6) through bolts.

7. A cutting tool guard according to claim 1, wherein: the number of the loop bars (9) is four and the four loop bars are respectively arranged at the top corners of the sliding plate (8).